Faucet main body fast detaching and replacing mehhod, and faucet structure for implementing the same

ABSTRACT

In a faucet main body fast detaching and replacing method and a faucet structure for implementing the same, the method includes the following steps: placing a fast detaching structure on a mesa; and detaching and replacing a faucet bottom seat, that is connected and locked tight to a faucet set main body and the mesa. The faucet main body fast detaching and replacing method is simple, while the faucet structure is compact, as such facilitating fast detaching the faucet main body.

BACKGROUND OF THE INVENTION

Field of the Invention

The present invention relates to a faucet detaching and replacingmethod, and in particular to a faucet main body fast detaching andreplacing method and a faucet structure for implementing the same.

The Prior Arts

In general, faucet and faucet related components tend to be worn out ordamaged after long period of use. At this time, the faucet and faucetrelated components have to be detached, repaired, or replaced. Also,after long period of usage, the contaminated and dirty faucet has to bedetached, cleaned, and sterilized. In addition, sometimes, the faucethas to be detached and replaced to make it compatible with the settingof the room. However, in detaching a faucet, the water supply switch hasto be closed, while the repairman has to crawl into a very small spacein the counter under the faucet, that is rather tedious andinconvenient.

Therefore, presently, the design and performance of the faucet is notquite satisfactory, and it leaves much room for improvement.

SUMMARY OF THE INVENTION

In view of the problems and drawbacks of the prior art, the presentinvention provides a faucet main body fast detaching and replacingmethod and a faucet structure for implementing the same, that is simplein design, compact in structure, to facilitate fast detaching of faucetmain body components.

The present invention provides a faucet main body fast detaching andreplacing method, comprising the following steps: placing a fastdetaching structure on a mesa; and detaching and replacing a faucetbottom seat, that is connected and locked tightly to a faucet set mainbody and the mesa.

In an aspect of the present invention, the fast detaching structureincludes: a ring-shaped slot, a push button position blocking component,a water channel, and an automatic water closing component. Thering-shaped slot is disposed around an outer perimeter at an upper endof the faucet bottom seat. The push button position blocking componentis disposed in a lower end of the faucet set main body, to act incooperation with the ring-shaped slot, to perform detaching. The waterchannel is disposed in the faucet bottom seat, and is connected to awater input hose. And, the automatic water closing component is disposedin the water channel, and when a water input tube of the faucet set mainbody is detached from the water channel, it automatically closes thewater channel.

In another aspect of the present invention, the push button positionblocking component is formed by a push button ring and a positionblocking ring, both having an arc shape cross section area and facingeach other with its arc notch, both ends of the push button ring and theposition blocking ring being pressed against each other.

In yet another aspect of the present invention, the fast detachingstructure further includes: a protrusion knob, and a pair of elasticarms. The protrusion knob, disposed in a middle of the push button ring,to protrude out of a side wall of a faucet. The pair of elastic arms aredisposed on an outer arc face of the position blocking ring, and facingtoward a lower end inner wall of the faucet set main body, to push outthe protrusion knob of the push button ring, and to fasten the positionblocking ring in the ring-shaped slot.

In a further aspect of the present invention, the automatic waterclosing component includes: a piston block, an upper connection tube, alower connection tube, a spring, an upward movement restriction block,and a downward movement restriction step face. The piston block isdisposed in an expand cavity of the water channel. The upper connectiontube is connected and fixed to an upper portion of the piston block,used to press and connect a water inlet tube, with its side wallprovided with a water input slot port. The lower connection tube isconnected and fixed to a lower portion of the piston block, with itsside wall is provided with a water output slot port. The spring issleeved around the lower connection tube, and is located between thepiston block and a lower tapering port of the expand cavity. The upwardmovement restriction block is located in the water channel, and isthread-connected to the piston block at an upper tapering port of theexpand cavity. And, the downward movement restriction step face islocated in the water channel, and is provided with the lower connectiontube at a lower tapering port of the expand cavity.

In an aspect of the present invention, the fast detaching structurefurther includes: a position restriction flange, disposed on the faucetbottom seat, and located at a lower side of the ring-shaped slot; agasket, embedded in a lower side face of the position restrictionflange; and a longitudinal regulating bolt, disposed between threadholes on both sides of a lock tight ring.

The present invention also provides a fast detachable and replaceablefaucet structure of a faucet main body, comprising: a faucet set mainbody, a faucet bottom seat, a ring-shaped slot, a push button positionblocking component, a water channel, and an automatic water closingcomponent. The faucet bottom seat is used to act in cooperation with thefaucet set main body to connect and lock tight a mesa. The ring-shapedslot is disposed around an outer perimeter at an upper end of the faucetbottom seat. The push button position blocking component is disposed ina lower end of the faucet set main body acting in cooperation with thefaucet bottom seat, to act in cooperation with the ring-shaped slot, toperform detaching. The water channel is disposed in the faucet bottomseat, and connected to a water input hose. The automatic water closingcomponent is disposed in the water channel, and when a water input tubeof the faucet set main body is detached from the water channel, itautomatically closes the water channel.

In an aspect of the present invention, the push button position blockingcomponent is formed by a push button ring and a position blocking ring,both having an arc shape cross section area and facing each other withan arc notch, both ends of the push button ring and the positionblocking ring being pressed against each other.

In another aspect of the present invention, the fast detachable andreplaceable faucet structure further includes: a protrusion knob,disposed in a middle of the push button ring, to protrude out of a sidewall of a faucet; and a pair of elastic arms, disposed on an outer arcface of the position blocking ring, and facing toward a lower end innerwall of the faucet set main body, to push out the protrusion knob of thepush button ring, and to fasten the position blocking ring in thering-shaped slot.

In yet another aspect of the present invention, the automatic waterclosing component includes: a piston block, an upper connection tube, alower connection tube, and a spring. The piston block is disposed in anexpand cavity of the water channel. The upper connection tube isconnected and fixed to an upper portion of the piston block, used topress and connect a water inlet tube, with its side wall provided with awater input slot port. The lower connection tube, connected and fixed toa lower portion of the piston block, with its side wall is provided witha water output slot port. And, the spring is sleeved around the lowerconnection tube, and located between the piston block and a lowertapering port of the expand cavity.

In a further aspect of the present invention, the fast detachable andreplaceable faucet structure of the faucet main body further includes: atight seal ring, an upward movement restriction block, and a downwardmovement restriction step face. The tight seal ring is sleeved on thepiston block. The upward movement restriction block is located in thewater channel, and is thread-connected to the piston block at an uppertapering port of the expand cavity. And the downward movementrestriction step face is located in the water channel, and is providedwith the lower connection tube at a lower tapering port of the expandcavity.

In a further aspect of the present invention, the fast detachable andreplaceable faucet structure of the faucet main body further includes: aposition restriction flange, a plurality of outer threads, a gasket, anda longitudinal regulating bolt. The position restriction flange isdisposed on the faucet bottom seat, and is located at a lower side ofthe ring-shaped slot. The plurality of outer threads are disposed at alower side of the position restriction flange on the faucet bottom seat,that is connected and locked tightly to the mesa through a lock tightring acting in cooperation with the outer threads. The gasket isembedded in a lower side face of the position restriction flange. And,the longitudinal regulating bolt is disposed in thread holes locatedbetween two sides of a lock tight ring.

Compared with the Prior Art, the present invention has the followingadvantages in that, its method is simple, while its faucet structure iscompact, thus facilitating fast detaching of the faucet main body. Assuch, when the faucet is damaged, in replacing the faucet, it is onlyrequired to press and hold the protrusion knob on the faucet to pull outthe entire faucet to achieve detaching the faucet, then the new faucetof the same type can be placed in the faucet bottom seat under the mesafor replacement. The entire replacing process can be fast and simple,there is no need to close or open any water supply line, it is notrequired to detach and screw tight the bolts and nuts, and there is noneed for the repair man to crawl into the narrow space under the basintable to detach and then lock tight the screws and the water pipe. Also,faucets of various types can be used in the replacement depending onuser's preference, and be compatible with the setting of the room. Thus,when the faucet is broken down, it can be detached quickly and sent torepair. When the faucet becomes dirty after long time usage, it can bedetached quickly and put into clean water to wash clean, or it can beplaced into sterilization equipment for sterilization.

Further scope of the applicability of the present invention will becomeapparent from the detailed descriptions given hereinafter. However, itshould be understood that the detailed descriptions and specificexamples, while indicating preferred embodiments of the presentinvention, are given by way of illustration only, since various changesand modifications within the spirit and scope of the present inventionwill become apparent to those skilled in the art from the detaildescriptions.

BRIEF DESCRIPTION OF THE DRAWINGS

The related drawings in connection with the detailed descriptions of thepresent invention to be made later are described briefly as follows, inwhich:

FIG. 1 is a schematic diagram of a faucet main body according to anembodiment of the present invention;

FIG. 2 is an exploded view of a faucet main body according to anembodiment of the present invention;

FIG. 3 is a schematic diagram of an internal structure of a fastdetaching structure according to an embodiment of the present invention;

FIG. 4 is a cross section view along A-A line of FIG. 3 according to anembodiment of the present invention;

FIG. 5 is an internal water stoppage structure according to anembodiment of the present invention;

FIG. 6 is a schematic diagram of enlarged area B of FIG. 5 according toan embodiment of the present invention;

FIG. 7 is a schematic diagram of an automatic water closing component ina faucet bottom seat according to an embodiment of the presentinvention;

FIG. 8 is a schematic diagram showing installation of a faucet bottomseat according to an embodiment of the present invention; and

FIG. 9 is a schematic diagram showing detaching a faucet set main bodyfrom a faucet bottom seat according to an embodiment of the presentinvention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

The purpose, construction, features, functions and advantages of thepresent invention can be appreciated and understood more thoroughlythrough the following detailed descriptions with reference to theattached drawings.

Refer to FIGS. 1 to 9 respectively for a schematic diagram of a faucetmain body according to an embodiment of the present invention; anexploded view of a faucet main body according to an embodiment of thepresent invention; a schematic diagram of an internal structure of afast detaching structure according to an embodiment of the presentinvention; a cross section view along A-A line of FIG. 3 according to anembodiment of the present invention; an internal water stoppagestructure according to an embodiment of the present invention; aschematic diagram of enlarged area B of FIG. 5 according to anembodiment of the present invention; a schematic diagram of an automaticwater closing component in a faucet bottom seat according to anembodiment of the present invention; a schematic diagram showinginstallation of a faucet bottom seat according to an embodiment of thepresent invention; and a schematic diagram showing detaching a faucetset main body from a faucet bottom seat according to an embodiment ofthe present invention.

As shown in FIGS. 1 to 9, the present invention provides a faucet mainbody fast detaching and replacing method, comprising the followingsteps: placing a fast detaching structure on a mesa 90; and detachingand replacing a faucet bottom seat 20, that is connected and lockedtightly to a faucet set main body 10 and the mesa 90.

In an embodiment of the present invention, the fast detaching structureincludes: a ring-shaped slot 21, a push button position blockingcomponent 30, a water channel 22, and an automatic water closingcomponent 50. The ring-shaped slot 21 is disposed around an outerperimeter at an upper end of the faucet bottom seat 20. The push buttonposition blocking component 30 is disposed in a lower end of the faucetset main body 10, to act in cooperation with the ring-shaped slot 21, toperform detaching. The water channel 22 is disposed in the faucet bottomseat 20, and is connected to a water input hose 40. And, the automaticwater closing component 50 is disposed in the water channel 22, and whena water input tube 12 of the faucet set main body 10 is detached fromthe water channel 22, it automatically closes the water channel 22.

In an embodiment of the present invention, the push button positionblocking component 30 is formed by a push button ring 31 and a positionblocking ring 35, both having an arc shape cross section area and facingeach other with its arc notch, both ends of the push button ring 31 andthe position blocking ring 35 being pressed against each other.

In an embodiment of the present invention, the fast detaching structurefurther includes: a protrusion knob 32, and a pair of elastic arms 36.The protrusion knob 32, disposed in a middle of the push button ring 31,to protrude out of a side wall of a faucet. The pair of elastic arms 36are disposed on an outer arc face of the position blocking ring 35, andfacing toward a lower end inner wall of the faucet set main body 10, topush out the protrusion knob 32 of the push button ring 31, and tofasten the position blocking ring 35 in the ring-shaped slot 21.

In an embodiment of the present invention, the automatic water closingcomponent 50 includes: a piston block 51, an upper connection tube 52, alower connection tube 53, a spring 54, an upward movement restrictionblock 56, and a downward movement restriction step face 57. The pistonblock 51 is disposed in an expand cavity 24 of the water channel 22. Theupper connection tube 52 is connected and fixed to an upper portion ofthe piston block 51, used to press and connect a water inlet tube 12,with its side wall provided with a water input slot port. The lowerconnection tube 53 is connected and fixed to a lower portion of thepiston block 51, with its side wall is provided with a water output slotport. The spring 54 is sleeved around the lower connection tube 53, andis located between the piston block 51 and a lower tapering port of theexpand cavity 24. The upward movement restriction block 56 is located inthe water channel 22, and is thread-connected to the piston block 51 atan upper tapering port of the expand cavity 24. And, the downwardmovement restriction step face 57 is located in the water channel 22,and is provided with the lower connection tube 53 at a lower taperingport of the expand cavity 24.

In an embodiment of the present invention, the automatic water closingcomponent 50 further includes: a piston block 51, an upper connectiontube 52, a lower connection tube 53, a spring 54, an upward movementrestriction block 56, and a downward movement restriction step face 57.The piston block 51 is disposed in an expand cavity 24 of the waterchannel 22. The upper connection tube 52 is connected and fixed to anupper portion of the piston block 51, used to press and connect a waterinlet tube 12, with its side wall provided with a water input slot port.The lower connection tube 53 is connected and fixed to a lower portionof the piston block 51, with its side wall provided with a water outputslot port, so that when water channel 22 is opened, water will flow inthrough the water input hose 40, and then through the water output slotport of the lower connection tube 53, subsequently, the water flows andbypasses the piston block 51, and then it flows into the upperconnection tube 52 through its water input slot port, and it flows intothe water inlet tube 12. The spring 54 is sleeved around the lowerconnection tube 53, and is located between the piston block 51 and alower tapering port of the expand cavity 24, so that the piston block 51is able to automatically close the water channel 22.

In an embodiment of the present invention, the fast detachable andreplaceable faucet structure of the faucet main body further includes: atight seal ring 55, an upward movement restriction block 56, anddownward movement restriction step face 57. The tight seal ring 55 issleeved on the piston block 51, to enhance the water channel tight seal.The upward movement restriction block 56 is located in the water channel22, and is thread-connected to the piston block 51 at an upper taperingport of the expand cavity 24, to achieve upward movement restriction ofthe piston block 51. The downward movement restriction step face 57 islocated in the water channel 22, and is provided with the lowerconnection tube 53 at a lower tapering port of the expand cavity 24, sothat when the water channel 22 is opened, the lower connection tube 53is pressed against and connected to the downward movement restrictionstep face 57, to achieve downward movement restriction of the pistonblock 51.

In an embodiment of the present invention, a position restriction flange23 is disposed on the faucet bottom seat 20, and is located at a lowerside of the ring-shaped slot 21. A plurality of outer threads aredisposed at a lower side of the position restriction flange 23 on thefaucet bottom seat 20, that is connected and locked tightly to the mesa90 through a lock tight ring 60 acting in cooperation with the outerthreads.

In an embodiment of the present invention, a gasket 70 is embedded in alower side face of the position restriction flange 23, and is in contactwith the upper side face of the mesa 90. A tight seal pad and a copperpad are disposed between the lock tight ring 60 and a lower side of themesa 90. Thread holes are provided on both sides of the lock tight ring60, so that the longitudinal regulating bolts 61 can be thread-connectedtherein, to adjust the distance between the lock tight ring 60 and themesa 90, to reduce the spiral depth during installation, whilepreventing the lock tight ring 60 from detaching.

In an embodiment of the present invention, a position restriction flange23 is disposed on the faucet bottom seat 20, and is located at a lowerside of the ring-shaped slot 21. A gasket 70 is embedded in a lower sideface of the position restriction flange 23. The longitudinal regulatingbolt 61 is disposed in thread holes between two sides of a lock tightring 60.

The present invention also provides a fast detachable and replaceablefaucet structure of a faucet main body, comprising: a faucet set mainbody 10, a faucet bottom seat 20, a ring-shaped slot 21, a push buttonposition blocking component 30, a water channel 22, and an automaticwater closing component 50. The faucet bottom seat 20 acts incooperation with the faucet set main body 10 to connect and lock tight amesa 90. The ring-shaped slot 21 is disposed around outer perimeter atan upper end of the faucet bottom seat 20. The push button positionblocking component 30 is disposed in a lower end of the faucet set mainbody 10 acting in cooperation with the faucet main body 20, to act incooperation with the ring-shaped slot 21, to perform fast detaching. Thelower portion of the faucet bottom seat 20 is provided with innerthreads, to thread-connect the water input hose 40. Inside the faucetbottom seat 20 is provided with 2 to 4 channels 22, connected to thewater input hose 40. An automatic water closing component 50 is disposedin the water channel 22, such that when a water input tube 12 of thefaucet set main body 10 is detached from the water channel 22, theautomatic water closing component 50 closes the water channel 22automatically. As such, when the faucet set main body 10 is detached,the faucet bottom seat 20 will automatically close the water channel 22,such that in the detaching and installing process, there is no need toclose the input water switch. Therefore, the preset state of theautomatic water closing component 50 is a water channel closing state.

In an embodiment of the present invention, the push button positionblocking component 30 is formed by a push button ring 31 and a positionblocking ring 35, both having an arc shape cross section area and facingeach other with its arc notch, both ends of the push button ring 31 andthe position blocking ring 35 being pressed against each other. The fastdetachable and replaceable faucet structure of the faucet main bodyfurther includes: a protrusion knob 32, disposed in a middle of the pushbutton ring 31, to protrude out of a side wall of a faucet; and a pairof elastic arms 36, disposed on an outer arc face of the positionblocking ring 35, and facing toward a lower end inner wall of the faucetset main body 10. The elastic arms 36 are able to push the push buttonring 31 toward the other side inner wall at the lower end of the faucetset main body 10, to fasten the position blocking ring 35 in thering-shaped slot 21, in realizing fast fastening. Meanwhile, indetaching, through pressing the protrusion knob 32 inward, it is able todetach the position blocking ring 35 from the ring-shaped slot 21, inrealizing fast detaching.

In an embodiment of the present invention, the push button ring 31 andthe position blocking ring 35 are restricted in the lower end portion ofthe faucet set main body 10 through a ring-shaped lock tight block 80having outer threads. The faucet set main body 10 is further providedwith a pulling tube 11 penetrating through the faucet bottom seat 20from top to bottom.

The application of the faucet structure is as follows:

1. Placing the gasket 70 around the assembled faucet bottom seat 20,then penetrating them through a through hole on the mesa 90 from top tobottom, then place the tight seal pad and the copper pad around thefaucet bottom seat 20, while using the lock tight ring 60 to lock thefaucet bottom seat 20 tightly on the mesa 90.

2. Connecting the water input hose 40 to the faucet bottom seat 20.

3. After installing the push button position blocking component 30 ontothe faucet set main body 10 through using the ring-shaped lock tightblock 80, installing the faucet set main body 10 onto the faucet bottomseat 20, so that the push button position blocking component 30 isfastened into the ring-shaped slot 21 of the faucet bottom seat 20;meanwhile, place the pulling tube 11 through the faucet bottom seat 20.After inserting the water input tube 12 of the faucet set main body 10into the channel 22, connect and press it against the upper connectiontube 52. Then, when the faucet set main body 10 is pressed downward, thewater input tube 12 makes the piston block 51 to move downward, toachieve opening of the water channel 22.

4. When detaching the faucet set main body 10, all it has to do is topress the protrusion knob 32 inward, to make the position blocking ring35 detach from the ring-shaped slot 21, to realize detaching the faucetset main body 10. In detaching the faucet set main body 10, the waterinput tube 12 is detached from the upper connection tube 52, so that thepiston block 51 returns to its original position, to close the waterchannel 22. As such, when detaching the faucet set main body 10, thewater channel 22 is closed automatically.

The above detailed description of the preferred embodiment is intendedto describe more clearly the characteristics and spirit of the presentinvention. However, the preferred embodiments disclosed above are notintended to be any restrictions to the scope of the present invention.Conversely, its purpose is to include the various changes and equivalentarrangements which are within the scope of the appended claims.

What is claimed is:
 1. A faucet main body fast detaching and replacingmethod, comprising the following steps: placing a fast detachingstructure on a mesa; and detaching and replacing a faucet bottom seat,that is connected and locked tightly to a faucet set main body and themesa.
 2. The faucet main body fast detaching and replacing method asclaimed in claim 1, wherein the fast detaching structure includes: aring-shaped slot, disposed around an outer perimeter at an upper end ofthe faucet bottom seat; a push button position blocking component,disposed in a lower end of the faucet set main body, to act incooperation with the ring-shaped slot, to perform detaching; a waterchannel, disposed in the faucet bottom seat, and connected to a waterinput hose; and an automatic water closing component, disposed in thewater channel, and when a water input tube of the faucet set main bodyis detached from the water channel, it automatically closes the waterchannel.
 3. The faucet main body fast detaching and replacing method asclaimed in claim 2, wherein the push button position blocking componentis formed by a push button ring and a position blocking ring, bothhaving an arc shape cross section area and facing each other with itsarc notch, both ends of the push button ring and the position blockingring being pressed against each other; the fast detaching structurefurther includes: a protrusion knob, disposed in a middle of the pushbutton ring, to protrude out of a side wall of a faucet; and a pair ofelastic arms, disposed on an outer arc face of the position blockingring, and facing toward a lower end inner wall of the faucet set mainbody, to push out the protrusion knob of the push button ring, and tofasten the position blocking ring in the ring-shaped slot.
 4. The faucetmain body fast detaching and replacing method as claimed in claim 2,wherein the automatic water closing component includes: a piston block,disposed in an expand cavity of the water channel; an upper connectiontube, connected and fixed to an upper portion of the piston block, usedto press and connect a water inlet tube, with its side wall providedwith a water input slot port; a lower connection tube, connected andfixed to a lower portion of the piston block, with its side wallprovided with a water output slot port; a spring, sleeved around thelower connection tube, and located between the piston block and a lowertapering port of the expand cavity; an upward movement restrictionblock, located in the water channel, and thread-connected to the pistonblock at an upper tapering port of the expand cavity; and a downwardmovement restriction step face, located in the water channel, andprovided with the lower connection tube at a lower tapering port of theexpand cavity.
 5. The faucet main body fast detaching and replacingmethod as claimed in claim 2, wherein the fast detaching structurefurther includes: a position restriction flange, disposed on the faucetbottom seat, and located at a lower side of the ring-shaped slot; agasket, embedded in a lower side face of the position restrictionflange; and a longitudinal regulating bolt, disposed between threadholes on both sides of a lock tight ring.
 6. A fast detachable andreplaceable faucet structure of a faucet main body, comprising: a faucetset main body; a faucet bottom seat, used to act in cooperation with thefaucet set main body to connect and lock tight a mesa; a ring-shapedslot, disposed around an outer perimeter at an upper end of the faucetbottom seat; a push button position blocking component, disposed in alower end of the faucet set main body acting in cooperation with thefaucet bottom seat, to act in cooperation with the ring-shaped slot, toperform detaching; a water channel, disposed in the faucet bottom seat,and connected to a water input hose; and an automatic water closingcomponent, disposed in the water channel, and when a water input tube ofthe faucet set main body is detached from the water channel, itautomatically closes the water channel.
 7. The fast detachable andreplaceable faucet structure of the faucet main body as claimed in claim6, wherein the push button position blocking component is formed by apush button ring and a position blocking ring, both having an arc shapecross section area and facing each other with its arc notch, both endsof the push button ring and the position blocking ring being pressedagainst each other; the fast detachable and replaceable faucet structurefurther includes: a protrusion knob, disposed in a middle of the pushbutton ring, to protrude out of a side wall of a faucet; and a pair ofelastic arms, disposed on an outer arc face of the position blockingring, and facing toward a lower end inner wall of the faucet set mainbody, to push out the protrusion knob of the push button ring, and tofasten the position blocking ring in the ring-shaped slot.
 8. The fastdetachable and replaceable faucet structure of the faucet main body asclaimed in claim 6, wherein the automatic water closing componentincludes: a piston block, disposed in an expand cavity of the waterchannel; an upper connection tube, connected and fixed to an upperportion of the piston block, used to press and connect a water inlettube, with its side wall provided with a water input slot port; a lowerconnection tube, connected and fixed to a lower portion of the pistonblock, with its side wall provided with a water output slot port; and aspring, sleeved around the lower connection tube, and located betweenthe piston block and a lower tapering port of the expand cavity.
 9. Thefast detachable and replaceable faucet structure of the faucet main bodyas claimed in claim 6, further comprising: a tight seal ring, sleeved onthe piston block; an upward movement restriction block, located in thewater channel, and thread-connected to the piston block at an uppertapering port of the expand cavity; and a downward movement restrictionstep face, located in the water channel, and provided with the lowerconnection tube at a lower tapering port of the expand cavity.
 10. Thefast detachable and replaceable faucet structure of a faucet main bodyas claimed in claim 6, further comprising: a position restrictionflange, disposed on the faucet bottom seat, and located at a lower sideof the ring-shaped slot; a plurality of outer threads, disposed at alower side of the position restriction flange on the faucet bottom seat,that being connected and locked tightly to the mesa through a lock tightring acting in cooperation with the outer threads; a gasket, embedded ina lower side face of the position restriction flange; and a longitudinalregulating bolt, disposed between thread holes on both sides of a locktight ring.